TOPDIR = ../../
include $(TOPDIR)Rules.mak

# NOTE: This may need to be modified for your system
ifeq ($(LDSO_PRESENT), $(TARGET_ARCH))
	DYNAMIC_LINKER = $(INSTALL_DIR)/lib/ld-linux-uclibc.so.$(MAJOR_VERSION)
else
	DYNAMIC_LINKER=$(SYSTEM_LDSO)
endif


UCLIBC_DIR = $(shell (cd ../.. ; /bin/pwd))
GCC_BIN = $(shell which $(CC))
LD_BIN = $(shell which $(LD))
GCC_LIB = $(shell $(CC) -print-libgcc-file-name )
#GCCINCDIR inherited from Rules.mak

all: gcc-uClibc ld-uClibc

gcc-uClibc.h: clean
	@echo "/* this file was autogenerated by make */" > gcc-uClibc.h
	@echo "#define UCLIBC_INSTALL_DIR " \"$(INSTALL_DIR)/\" >> gcc-uClibc.h
	@echo "#define UCLIBC_BUILD_DIR " \"$(UCLIBC_DIR)/\" >> gcc-uClibc.h
	@echo "#define GCC_BIN " \"$(GCC_BIN)\" >> gcc-uClibc.h
	@echo "#define GCC_LIB " \"$(GCC_LIB)\" >> gcc-uClibc.h
	@echo "#define GCC_INCDIR " \"-I$(GCCINCDIR)/\" >> gcc-uClibc.h
	@echo "#define TARGET_ARCH " \"$(TARGET_ARCH)\" >> gcc-uClibc.h
	@echo "#define DYNAMIC_LINKER " \"$(DYNAMIC_LINKER)\" >> gcc-uClibc.h

gcc-uClibc: gcc-uClibc.h gcc-uClibc.c
	gcc -Wall -O2 -s gcc-uClibc.c -o $(TARGET_ARCH)-uclibc-gcc

ld-uClibc:
	@echo "#!/bin/sh" > $(TARGET_ARCH)-uclibc-ld
	@echo "# This file was autogenerated by make" >> $(TARGET_ARCH)-uclibc-ld
	@echo "$(LD_BIN) -L- -L $(INSTALL_DIR)/lib -L$(UCLIBC_DIR) \$$@" >> $(TARGET_ARCH)-uclibc-ld
	chmod a+x $(TARGET_ARCH)-uclibc-ld

install: all
	install -d $(INSTALL_DIR)/bin;
	install -d $(INSTALL_DIR)/usr/bin;
	if [ -x ./$(TARGET_ARCH)-uclibc-gcc ] ; then \
		install -m 755 $(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/usr/bin/ ; \
		install -m 755 $(TARGET_ARCH)-uclibc-ld $(INSTALL_DIR)/usr/bin/ ; \
		ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/cc; \
		ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/bin/gcc; \
		ln -fs ../usr/bin/$(TARGET_ARCH)-uclibc-ld $(INSTALL_DIR)/bin/ld; \
		ln -fs $(TARGET_ARCH)-uclibc-gcc $(INSTALL_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-cc; \
	fi;
	for app in addr2line ar as cpp gasp nm objcopy \
	objdump ranlib readelf size strings strip; do \
	    ln -fs `which $(CROSS)$${app}` $(INSTALL_DIR)/bin/$${app}; \
	done;
	for app in addr2line ar as cpp gasp nm objcopy \
	objdump ranlib readelf size strings strip; do \
	    ln -fs `which $(CROSS)$${app}` $(INSTALL_DIR)/usr/bin/$(TARGET_ARCH)-uclibc-$${app}; \
	done;


clean:
	rm -f gcc-uClibc.h *-uclibc-gcc *-uclibc-ld core